佳创视讯：公司于8月11日披露了《关于筹划控制权变更进展暨复牌的公告》

Group 1 - The company, Jiachuan Video, responded to investor inquiries on September 5, indicating that it disclosed an announcement regarding the progress of control rights change on August 11 [2] - The specific details of the announcement can be found on the official website designated by the China Securities Regulatory Commission for the Growth Enterprise Market [2]